Flutter Linux Embedder
fl_plugin_registrar.cc
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1 // Copyright 2013 The Flutter Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4 
7 
8 #include <gmodule.h>
9 
10 G_DECLARE_FINAL_TYPE(FlPluginRegistrarImpl,
11  fl_plugin_registrar_impl,
12  FL,
13  PLUGIN_REGISTRAR_IMPL,
14  GObject)
15 
16 struct _FlPluginRegistrarImpl {
17  GObject parent_instance;
18 
19  // View that plugin is controlling.
20  FlView* view;
21 
22  // Messenger to communicate on.
23  FlBinaryMessenger* messenger;
24 
25  // Texture registrar in use.
26  FlTextureRegistrar* texture_registrar;
27 };
28 
30  FlPluginRegistrarInterface* iface);
31 
32 G_DEFINE_INTERFACE(FlPluginRegistrar, fl_plugin_registrar, G_TYPE_OBJECT)
33 
35  FlPluginRegistrarImpl,
36  fl_plugin_registrar_impl,
37  G_TYPE_OBJECT,
38  G_IMPLEMENT_INTERFACE(fl_plugin_registrar_get_type(),
40 
41 static void fl_plugin_registrar_default_init(
42  FlPluginRegistrarInterface* iface) {}
43 
44 static void fl_plugin_registrar_impl_dispose(GObject* object) {
45  FlPluginRegistrarImpl* self = FL_PLUGIN_REGISTRAR_IMPL(object);
46 
47  if (self->view != nullptr) {
48  g_object_remove_weak_pointer(G_OBJECT(self->view),
49  reinterpret_cast<gpointer*>(&(self->view)));
50  self->view = nullptr;
51  }
52  g_clear_object(&self->messenger);
53  g_clear_object(&self->texture_registrar);
54 
55  G_OBJECT_CLASS(fl_plugin_registrar_impl_parent_class)->dispose(object);
56 }
57 
59  FlPluginRegistrarImplClass* klass) {
60  G_OBJECT_CLASS(klass)->dispose = fl_plugin_registrar_impl_dispose;
61 }
62 
63 static FlBinaryMessenger* get_messenger(FlPluginRegistrar* registrar) {
64  FlPluginRegistrarImpl* self = FL_PLUGIN_REGISTRAR_IMPL(registrar);
65  return self->messenger;
66 }
67 
68 static FlTextureRegistrar* get_texture_registrar(FlPluginRegistrar* registrar) {
69  FlPluginRegistrarImpl* self = FL_PLUGIN_REGISTRAR_IMPL(registrar);
70  return self->texture_registrar;
71 }
72 
73 static FlView* get_view(FlPluginRegistrar* registrar) {
74  FlPluginRegistrarImpl* self = FL_PLUGIN_REGISTRAR_IMPL(registrar);
75  return self->view;
76 }
77 
79  FlPluginRegistrarInterface* iface) {
80  iface->get_messenger = get_messenger;
81  iface->get_texture_registrar = get_texture_registrar;
82  iface->get_view = get_view;
83 }
84 
85 static void fl_plugin_registrar_impl_init(FlPluginRegistrarImpl* self) {}
86 
87 FlPluginRegistrar* fl_plugin_registrar_new(
88  FlView* view,
89  FlBinaryMessenger* messenger,
90  FlTextureRegistrar* texture_registrar) {
91  g_return_val_if_fail(view == nullptr || FL_IS_VIEW(view), nullptr);
92  g_return_val_if_fail(FL_IS_BINARY_MESSENGER(messenger), nullptr);
93  g_return_val_if_fail(FL_IS_TEXTURE_REGISTRAR(texture_registrar), nullptr);
94 
95  FlPluginRegistrarImpl* self = FL_PLUGIN_REGISTRAR_IMPL(
96  g_object_new(fl_plugin_registrar_impl_get_type(), nullptr));
97 
98  // Added to stop compiler complaining about an unused function.
99  FL_IS_PLUGIN_REGISTRAR_IMPL(self);
100 
101  self->view = view;
102  if (view != nullptr) {
103  g_object_add_weak_pointer(G_OBJECT(view),
104  reinterpret_cast<gpointer*>(&(self->view)));
105  }
106  self->messenger = FL_BINARY_MESSENGER(g_object_ref(messenger));
107  self->texture_registrar =
108  FL_TEXTURE_REGISTRAR(g_object_ref(texture_registrar));
109 
110  return FL_PLUGIN_REGISTRAR(self);
111 }
112 
113 G_MODULE_EXPORT FlBinaryMessenger* fl_plugin_registrar_get_messenger(
114  FlPluginRegistrar* self) {
115  g_return_val_if_fail(FL_IS_PLUGIN_REGISTRAR(self), nullptr);
116 
117  return FL_PLUGIN_REGISTRAR_GET_IFACE(self)->get_messenger(self);
118 }
119 
120 G_MODULE_EXPORT FlTextureRegistrar* fl_plugin_registrar_get_texture_registrar(
121  FlPluginRegistrar* self) {
122  g_return_val_if_fail(FL_IS_PLUGIN_REGISTRAR(self), nullptr);
123 
124  return FL_PLUGIN_REGISTRAR_GET_IFACE(self)->get_texture_registrar(self);
125 }
126 
127 G_MODULE_EXPORT FlView* fl_plugin_registrar_get_view(FlPluginRegistrar* self) {
128  g_return_val_if_fail(FL_IS_PLUGIN_REGISTRAR(self), nullptr);
129 
130  return FL_PLUGIN_REGISTRAR_GET_IFACE(self)->get_view(self);
131 }
fl_plugin_registrar_get_texture_registrar
G_MODULE_EXPORT FlTextureRegistrar * fl_plugin_registrar_get_texture_registrar(FlPluginRegistrar *self)
Definition: fl_plugin_registrar.cc:120
G_DEFINE_TYPE_WITH_CODE
G_DEFINE_TYPE_WITH_CODE(FlPluginRegistrarImpl, fl_plugin_registrar_impl, G_TYPE_OBJECT, G_IMPLEMENT_INTERFACE(fl_plugin_registrar_get_type(), fl_plugin_registrar_impl_iface_init)) static void fl_plugin_registrar_default_init(FlPluginRegistrarInterface *iface)
Definition: fl_plugin_registrar.cc:34
fl_plugin_registrar_private.h
fl_plugin_registrar_impl_iface_init
static void fl_plugin_registrar_impl_iface_init(FlPluginRegistrarInterface *iface)
Definition: fl_plugin_registrar.cc:78
fl_plugin_registrar.h
fl_plugin_registrar_get_messenger
G_MODULE_EXPORT FlBinaryMessenger * fl_plugin_registrar_get_messenger(FlPluginRegistrar *self)
Definition: fl_plugin_registrar.cc:113
G_DEFINE_INTERFACE
G_DEFINE_INTERFACE(FlKeyboardViewDelegate, fl_keyboard_view_delegate, G_TYPE_OBJECT) static void fl_keyboard_view_delegate_default_init(FlKeyboardViewDelegateInterface *iface)
Definition: fl_keyboard_view_delegate.cc:7
G_DECLARE_FINAL_TYPE
G_DECLARE_FINAL_TYPE(FlPluginRegistrarImpl, fl_plugin_registrar_impl, FL, PLUGIN_REGISTRAR_IMPL, GObject) struct _FlPluginRegistrarImpl
Definition: fl_plugin_registrar.cc:10
fl_plugin_registrar_get_view
G_MODULE_EXPORT FlView * fl_plugin_registrar_get_view(FlPluginRegistrar *self)
Definition: fl_plugin_registrar.cc:127
FL
FL
Definition: fl_binary_messenger.cc:27
fl_plugin_registrar_impl_dispose
static void fl_plugin_registrar_impl_dispose(GObject *object)
Definition: fl_plugin_registrar.cc:44
get_view
static FlView * get_view(FlPluginRegistrar *registrar)
Definition: fl_plugin_registrar.cc:73
fl_plugin_registrar_impl_init
static void fl_plugin_registrar_impl_init(FlPluginRegistrarImpl *self)
Definition: fl_plugin_registrar.cc:85
fl_plugin_registrar_new
FlPluginRegistrar * fl_plugin_registrar_new(FlView *view, FlBinaryMessenger *messenger, FlTextureRegistrar *texture_registrar)
Definition: fl_plugin_registrar.cc:87
get_texture_registrar
static FlTextureRegistrar * get_texture_registrar(FlPluginRegistrar *registrar)
Definition: fl_plugin_registrar.cc:68
get_messenger
static FlBinaryMessenger * get_messenger(FlPluginRegistrar *registrar)
Definition: fl_plugin_registrar.cc:63
fl_plugin_registrar_impl_class_init
static void fl_plugin_registrar_impl_class_init(FlPluginRegistrarImplClass *klass)
Definition: fl_plugin_registrar.cc:58